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Does Leaders' Health (and Work-Related Experiences) Affect their Evaluation of Followers' Stress?
Giorgi, Gabriele,Mancuso, Serena,Fiz Perez, Francisco Javier,Montani, Francesco,Courcy, Francois,Arcangeli, Giulio Occupational Safety and Health Research Institute 2015 Safety and health at work Vol.6 No.3
Background: Stressed workers suffer from severe health problems which appear to have increased. Poor leadership is especially considered a source of stress. Indeed, supervisors might perceive their subordinates to be similar to them as far as stress is concerned and this might more widespread in organizations than previously thought. Methods: The present research investigates the relationships between leaders' health, in terms of work-related stress, mental health, and workplace bullying and their evaluation of subordinates' stress. Five regression models were formulated to test our hypothesis. This is a cross-sectional study among 261 Italian leaders, using supervisor self-assessment and leaders' assessments of their subordinates. Results: Leaders' health was related to their evaluation of staff stress. Job demand, lack of job control, and lack of support by colleagues and supervisors evaluated in their subordinates were particularly associated with the leaders' own health. Conclusion: Implications for developing healthy leaders are finally discussed.
Does Leaders' Health (and Work-Related Experiences) Affect their Evaluation of Followers' Stress?
Gabriele Giorgi,Serena Mancuso,Francisco Javier Fiz Perez,Francesco Montani,Francois Courcy,Giulio Arcangeli 한국산업안전보건공단 산업안전보건연구원 2015 Safety and health at work Vol.6 No.3
Background: Stressed workers suffer from severe health problems which appear to have increased. Poor leadership is especially considered a source of stress. Indeed, supervisors might perceive their subordinates to be similar to them as far as stress is concerned and this might more widespread in organizations than previously thought. Methods: The present research investigates the relationships between leaders’ health, in terms of workrelated stress, mental health, and workplace bullying and their evaluation of subordinates’ stress. Five regression models were formulated to test our hypothesis. This is a cross-sectional study among 261 Italian leaders, using supervisor self-assessment and leaders’ assessments of their subordinates. Results: Leaders’ health was related to their evaluation of staff stress. Job demand, lack of job control, and lack of support by colleagues and supervisors evaluated in their subordinates were particularly associated with the leaders’ own health. Conclusion: Implications for developing healthy leaders are finally discussed.
Effects of Aging on Temporal Lobe Blood Fflow with Structural Correction in Healthy Older Adults
Siyuan Hu,Hengyi Rao,Lauren Mancuso,Senhua Zhu,John A. Detre,David A. Wolk 서울대학교 인지과학연구소 2011 Journal of Cognitive Science Vol.12 No.2
Aging has been associated with both cerebral blood flow (CBF) reductions and structural changes, particularly in the medial temporal lobe (MTL) region. However, it remains unclear whether the decline of CBF in the MTL is due entirely or just partially to anatomical changes. In the present study, pseudocontinuous arterial spin labeling (ASL) was used to measure quantitative CBF in forty-one healthy older adults. High-resolution T1-weighted structure images were also acquired from each subject. Robust age-related CBF decline and anatomical changes were observed in the medial and superior temporal lobe. After controlling for partial volume effect (PVE) and brain atrophy, there were still significant age-related regional CBF decreases in the right parahippocampus and the bilateral insula. However, regional CBF in the left parahippocampal gyrus was not correlated with age after PVE correction. Our results support the importance of structural correction for regional CBF quantification in aging populations and suggest that anatomical changes alone cannot explain the regional CBF decline in older adults.
Effects of Aging on Temporal Lobe Blood Flow with Structural Correction in Healthy Older Adults
( Siyuan Hu ),( Hengyi Rao ),( Lauren Mancuso ),( Senhua Zhu ),( John A. Detre ),( David A. Wolk ) 서울대학교 인지과학연구소 2011 Journal of Cognitive Science Vol.12 No.2
Aging has been associated with both cerebral blood flow (CBF) reductions and structural changes, particularly in the medial temporal lobe (MTL) region. However, it remains unclear whether the decline of CBF in the MTL is due entirely or just partially to anatomical changes. In the present study, pseudocontinuous arterial spin labeling (ASL) was used to measure quantitative CBF in forty-one healthy older adults. High-resolution T1-weighted structure images were also acquired from each subject. Robust age-related CBF decline and anatomical changes were observed in the medial and superior temporal lobe. After controlling for partial volume effect (PVE) and brain atrophy, there were still significant age-related regional CBF decreases in the right parahippocampus and the bilateral insula. However, regional CBF in the left parahippocampal gyrus was not correlated with age after PVE correction. Our results support the importance of structural correction for regional CBF quantification in aging populations and suggest that anatomical changes alone cannot explain the regional CBF decline in older adults.
Psychrophilic Extremophiles from Antarctica: Biodiversity and Biotechnological Potential
Bowman John P.,Abell Gyu C.J.,Nichols Carol A. Mancuso Korea Institute of Ocean ScienceTechnology 2005 Ocean and Polar Research Vol.27 No.2
Recently there has been a rapid accumulation of knowledge of microbial life in cold and frozen ecosystems. This understanding has revealed the extensive diversity of psychrophilic prokaryotes. Cultivation-based and molecular-based surveys have been performed in Antarctic habitats ranging from glacial ice to continental shelf sediments. Results indicate that psychrophilic taxa permeate throughout the Bacteria while they represent a more mysterious element of diversity in the Archaea owing to a notable lack of cultured strains. In certain cold climate ecosystems the diversity of psychrophilic populations reach levels comparable to the richest temperate equivalents. Within these communities must exist tremendous genetic diversify that is potentially of fundamental and of practical value. So far this genetic pool has been hardly explored. Only recently have genomic data become available for various psychrophilic prokaryotes and more is required. This owes to the fact that psychrophilic microbes possess manifold mechanisms for cold adaptations, which not only Provide enhanced survival and Persistence but Probably also contributes to niche specialisation. These mechanisms, including cold-active and ice-active proteins, polyunsaturated lipids and exopolysaccharides also have a great interest to biotechnologists.
Psychrophilic Extremophiles from Antarctica: Biodiversity and Biotechnological Potential
John P. Bowman,Guy C.J. Abell,Carol A. Mancuso Nichols 한국해양과학기술원 2005 Ocean and Polar Research Vol.27 No.2
Recently there has been a rapid accumulation of knowledge of microbial life in cold and frozen ecosystems. This understanding has revealed the extensive diversity of psychrophilic prokaryotes. Cultivation-based and molecular-based surveys have been performed in Antarctic habitats ranging from glacial ice to continental shelf sediments. Results indicate that psychrophilic taxa permeate throughout the Bacteria while they represent a more mysterious element of diversity in the Archaea owing to a notable lack of cultured strains. In certain cold climate ecosystems the diversity of psychrophilic populations reach levels comparable to the richest temperate equivalents. Within these communities must exist tremendous genetic diversity that is potentially of fundamental and of practical value. So far this genetic pool has been hardly explored. Only recently have genomic data become available for various psychrophilic prokaryotes and more is required. This owes to the fact that psychrophilic microbes possess manifold mechanisms for cold adaptations, which not only provide enhanced survival and persistence but probably also contributes to niche specialisation. These mechanisms, including cold-active and ice-active proteins, polyunsaturated lipids and exopolysaccharides also have a great interest to biotechnologists.
Identification of an ABCB/P-glycoprotein-specific Inhibitor of Auxin Transport by Chemical Genomics
Kim, J.-Y.,Henrichs, S.,Bailly, A.,Vincenzetti, V.,Sovero, V.,Mancuso, S.,Pollmann, S.,Kim, D.,Geisler, M.,Nam, H.-G. The American Society for Biochemistry and Molecula 2010 The Journal of biological chemistry Vol.285 No.30